his sudden resignation as head of the cia is still sending shockwaves through washington. petreas said he accepts all the blame for his own downfall >>> after nearly four decades in international affairs, it was an extramarital affairs that brought david petraeus' distinguished career to a jolting end. in a statement to cia employees he acknowledged the liaison, expressing his extremely poor judgment. it's unacceptable, he said, both as a husband and as a leader of an organization such as hours. >> if they found out about an extramarital affair they could use it as blackmail against you. >> he has been married to his wife holly for 38 years. they have two children. they met when he was a west point cadet and she stood by him as he raced on the fast track up the ranks to four-star general. last year he resigned his commission and was sworn in as cia director. this is the other woman. paula broadwell. a 40-year-old wife and mother of two. she's his official biographer. >> to get to know him he wanted to run with you? >> i thought i was going to test him but he was going to t